A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Upstream Assigned Label Collision Solution
Authors : Sandy Zhang
Ying Cheng
Filename : draft-zhang-idr-upstream-assigned-label-solution-00.txt
Pages : 6
Date : 2015-07-06
Abstract:
The upstream-assigned label is used to identify the specific
multicast flow. In MVPN technology RFC6513, it says: "This procedure
requires each egress PE to support a separate label space for every
other PE. The egress PEs creates a forwarding entry for the
upstream-assigned MPLS label, allocated by the ingress PE, in this
label space."
In common scenario, the "separate label space" is planned by network
administrator in advance. For the stable network, the method of
allocating the separate label space is easy and practicable. But
when the network changes dynamically, it is very hard to allocate the
separate label space in advance. The planned label space is probably
insufficient. That leads to collision when PE uses the common label
space to allocate upstream-assigned label. Therefore we need a
flexible solution for the collision of upstream-assigned label in the
dynamically changing network.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-zhang-idr-upstream-assigned-label-solution/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-zhang-idr-upstream-assigned-label-solution-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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